BUD Industries NBX-10981 Steel Internal Panel, 14-19/64" Length x 10-25/64" Width x 3/64" Thick, for NEMA Box Used to mount customer equipment inside enclosures Fits enclosure: NBA-10148,10168 Assembles to mounting bosses on inside of enclosure 16-Gauge galvanized steel Measures 14-19/64" length by 10-25/64" width by 3/64" thick